Keep in mind that farmers generally get their eggs to stores within a week, and both the pack date and sell by date are stamped onto the carton. The numbers run from 1-365, depending on the day of the year. Lastly, there is a big difference in taste between farm fresh eggs and week-old eggs.
The different types of lipids are triglycerides, sterols, and  phospholipids. Triglycerides include many fats and sterols,  including cholesterol. A phospholipid consists of â¦ two fatty acids,  glycerol, and a phosphate group. Joanna Grana Maciel.
Biological lipids originate entirely or in part from two distinct types of biochemical subunits or building-blocks: ketoacyl and isoprene groups.